[llvm] [AArch64] Move interleaved access testcase to codegen (PR #214133)

[David Green via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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davemgreen wrote:

Have a lot of load tests been removed? It is not clear what is changing other than moving the file. llvm/test/Transforms/InterleavedAccess/AArch64/interleaved-accesses-extract-user.ll has been removed?

https://github.com/llvm/llvm-project/pull/214133